CN221262628U - Battery module and electronic equipment - Google Patents

Abstract

The utility model provides a battery module and electronic equipment, wherein the battery module comprises a frame body, a battery main body and a protection plate; the battery main body and the protection plate are both arranged on the frame body, and the battery main body is electrically connected with the protection plate; be provided with support mounting structure on the framework, support mounting structure is used for installing support detachably on the framework, installs the electric connection board on the support, is provided with the first electrically conductive portion of electric connection protection shield on the electric connection board and the second electrically conductive portion of electric connection mainboard. The electric connection plate can be detachably arranged on the frame body through the bracket, and can be selectively assembled according to different configuration requirements, and if a new function of the battery module needs to be added, the electric connection plate is assembled on the frame body without changing a battery connector and re-opening the die of the frame body; if not, the electric connection plate is not assembled, so that the battery module can rapidly carry out configuration difference coping according to different model configurations, and the function can be rapidly switched in face of newly increased demands of customers.

Description

Battery module and electronic equipment

Technical Field

The embodiment of the utility model relates to the technical field of electronic equipment, in particular to a battery module and electronic equipment.

Background

The battery in the electronic device generally includes a battery main body, a battery protection board and a battery glue frame, wherein the battery main body and the battery protection board are both installed in the battery glue frame, a battery connector electrically connected with the battery protection board is installed on the outer surface of the battery glue frame, and the battery is electrically connected with a main board in the electronic device through the battery connector. The battery on the market at present has no detachable structure, can not do work and switch, and in the face of different configuration and shipment demands, can only do big compatible design, need change battery protection shield and battery connector, and the frame is glued to the battery and is opened the mould again, not only results in the battery to open the mould more again like this, still can't satisfy the customer to the potential newly increased demand of battery fast, and then causes the waste of manpower, time, cost.

Disclosure of utility model

The embodiment of the utility model aims to provide a battery module and electronic equipment, and aims to design the battery module with a detachable structure and a switchable function.

In order to solve the technical problems, an embodiment of the present utility model provides a battery module, including a frame, a battery body, and a protection plate;

The battery main body and the protection plate are both arranged on the frame body, and the battery main body is electrically connected with the protection plate;

The frame body is provided with a support mounting structure, the support mounting structure is used for detachably mounting a support on the frame body, an electric connection plate is mounted on the support, and the electric connection plate is provided with a first conductive part electrically connected with the protection plate and a second conductive part electrically connected with the main board.

The electric connection plate can be detachably arranged on the frame body through the bracket, and can be selectively assembled according to different configuration requirements, and if a new function of the battery module needs to be added, the electric connection plate is assembled on the frame body without changing a battery connector and re-opening the die of the frame body; if not, the electric connection plate is not assembled, so that the battery module can rapidly carry out configuration difference coping according to different machine type configurations, the function can be rapidly switched in face of newly increased demands of customers, foolproof can be realized by whether the electric connection plate is assembled, the problem of mixing materials in different configurations of the production line is prevented, meanwhile, the fault tolerance is increased, and the battery module can be repaired.

Preferably, in the battery module, the bracket mounting structure includes a limiting groove, and the bracket receiving limit is positioned in the limiting groove.

Preferably, in the battery module, a limiting surface is arranged on the side wall of the inner groove of the limiting groove, the limiting surface faces the notch of the limiting groove, a limiting protrusion is arranged on the peripheral side surface of the support, and the limiting protrusion is abutted to one side, close to the notch of the limiting groove, of the limiting surface.

Preferably, in the battery module, the shape of the limiting groove is adapted to the shape of the bracket.

Preferably, in the battery module, the limit groove is provided on an outer circumferential side surface of the frame body.

Preferably, in the battery module, the electric connection plate includes a first plate portion, the first plate portion is located between the bracket and a bottom wall of the limiting groove, and the first conductive portion is disposed on a plate surface of the first plate portion away from the bracket.

Preferably, in the battery module, an avoidance hole is formed in a bottom wall of the limiting groove, and the avoidance hole penetrates through an inner peripheral side surface of the frame body; the protection board is installed on the inner periphery side of framework, the protection board is provided with the shell fragment towards on dodging the face in hole, the shell fragment with first conductive part conductive contact.

Preferably, in the battery module, a mounting hole is penetratingly formed in a groove side wall of the limiting groove, a screw-connection piece is mounted at the mounting hole, and the tail of the screw-connection piece extends into the limiting groove from the mounting hole and is in threaded connection with the support.

Preferably, in the battery module, an opening is penetratingly provided on a groove side wall of the limiting groove away from the mounting hole.

Preferably, in the battery module, the electric connection plate includes a second plate portion located at a side of the bracket near the opening, and the second conductive portion is disposed on a plate surface of the second plate portion near the opening.

Preferably, in the battery module, a positioning hole is formed in the electric connection plate, and a positioning column matched with the positioning hole in a positioning manner is arranged on the support.

Preferably, in the battery module, an accommodating groove is formed in the bracket, and the electric connection plate is accommodated in the accommodating groove.

Preferably, in the battery module, the electric connection plate is adhered to the holder.

Preferably, in the battery module, the electric connection plate is a flexible circuit board.

In order to achieve the above object, the present utility model further provides an electronic device, including the above battery module.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

Fig. 1 is a schematic view of a battery module according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic view illustrating a structure of the battery module of fig. 1 at another viewing angle;

Fig. 4 is a schematic view of the battery module of fig. 1 with the frame removed and the battery body;

FIG. 5 is a schematic view of the assembly of the bracket and the electrical connection board of FIG. 4;

FIG. 6 is a schematic view of the structure of the bracket of FIG. 5;

FIG. 7 is a schematic structural view of the assembly of the frame and the protection plate in FIG. 1;

fig. 8 is a schematic diagram of the device of fig. 7 from another perspective.

The utility model is described by reference numerals:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Battery module	41	Spacing bump
1	Frame body	42	Positioning column
				11	Bracket mounting structure	43	Accommodating groove
111	Limiting groove	44	Threaded hole
				112	Limiting surface	5	Electric connection board
113	Avoidance hole	51	First conductive part
				114	Mounting hole	52	Second conductive part
115	Open mouth	53	A first plate part
				12	Upper frame edge	54	A second plate part
2	Battery body	55	Positioning hole
				3	Protective plate	6	Screw-connection piece
31	Spring plate	7	Battery connector
				4	Support frame

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a battery module which can be used in electronic equipment such as a mobile phone or a tablet personal computer, and the battery module is taken as an example for the mobile phone to be described, and fig. 1 to 8 show a preferred embodiment of the battery module.

Referring to fig. 1 and 7, in the present embodiment, a battery module 100 includes a frame 1, a battery body 2, and a protection plate 3.

Referring to fig. 1, 7 and 8, the battery body 2 and the protection plate 3 are mounted on the frame 1, and the battery body 2 is electrically connected to the protection plate 3.

Specifically, the battery body 2 and the protection plate 3 are usually mounted in the housing 1, and the battery body 2 may be a lithium battery or the like. One end of the battery body 2 is provided with a tab (not shown in the drawings), the protection plate 3 is located at a side of the battery body 2 close to the tab, and the protection plate 3 is in conductive contact with the tab of the battery body 2, thereby electrically connecting the battery body 2 with the protection plate 3.

The shape of the frame 1 is generally adapted to the shape of the battery body 2, and the battery body 2 will be described below as a square frame, and the frame 1 is described as a square frame, and defines the side of the battery body 2 near the protection plate 3 as the upper side of the battery body 2, and defines the thickness direction of the battery body 2 as the front-rear direction.

The housing 1 is typically further provided with a battery connector 7 electrically connected to the protection plate 3, and the battery connector 7 is used for electrically connecting a main board (not shown in the figure) in the electronic device to electrically connect the protection plate 3 to the main board through the battery connector 7. Alternatively, referring to fig. 1, 7 and 8, in the present embodiment, a notch (not shown in the drawings) is provided on the outer surface of the frame body 1 corresponding to the protection plate 3, and the battery connector 7 is mounted at the notch.

Specifically, the frame 1 includes an upper frame 12, the inner surface (i.e., the inner peripheral side) of the frame 1 includes a lower surface of the upper frame 12, the outer surface of the frame 1 includes an upper surface, a front surface and a rear surface of the upper frame 12, and the notch is disposed at a junction between the upper surface and the front surface of the upper frame 12. The protection plate 3 is mounted on the lower surface of the upper frame side 12, the lower plate surface of the protection plate 3 is in conductive contact with the tabs of the battery body 2, and the upper plate surface of the protection plate 3 is in conductive contact with the battery connector 7.

Referring to fig. 1, 2 and 4, a frame 1 is provided with a bracket mounting structure 11, the bracket mounting structure 11 is used for detachably mounting a bracket 4 on the frame 1, an electric connection board 5 is mounted on the bracket 4, and a first conductive portion 51 electrically connected with the protection board 3 and a second conductive portion 52 electrically connected with the main board are disposed on the electric connection board 5.

Specifically, the frame body 1 is provided with a bracket mounting structure 11 corresponding to the protection plate 3, the frame body 1 can be detachably connected with the bracket 4 through the bracket mounting structure 11, and the bracket 4 is fixedly provided with the electric connection plate 5, so that the electric connection plate 5 can be detachably mounted on the frame body 1 through the bracket 4. Since the bracket 4 and the electric connection plate 5 are selectively installed to the frame body 1, the assembled battery module 100 may include the bracket 4 and the electric connection plate 5, and the assembled battery module 100 may not include the bracket 4 and the electric connection plate 5, as will be described below with reference to the case where the battery module 100 includes the bracket 4 and the electric connection plate 5.

When a new function needs to be added to the battery module 100, for example, a new function such as a wireless charging function or a bluetooth function needs to be added to the battery module 100, a corresponding functional circuit needs to be added to the protection board 3, and a connection point where the protection board 3 is electrically connected to the motherboard needs to be added. At this time, only the assembly of the bracket 4 and the electric connection board 5 is required to be mounted on the frame body 1, so that the electric connection board 5 is electrically connected with the protection board 3, and the second conductive part 52 on the electric connection board 5 can be used as a new connection point of the protection board 3; when the battery module 100 does not need to add a new function, it is not necessary to mount the assembly of the bracket 4 and the electrical connection plate 5 on the frame body 1.

Compared with the prior art that the connection point of the protection plate is increased by replacing the battery connector and re-opening the battery plastic frame, the detachable structure adopted by the battery module 100 can rapidly cope with configuration difference according to different model configurations. According to different configuration shipment needs of customers, the requirements can be met by only selecting whether the components of the bracket 4 and the electric connection plate 5 are assembled according to the configuration. In the face of the new needs of customers, the functions can be switched rapidly only by updating the components of the protection plate 3 and the assembly bracket 4 and the electric connection plate 5. Aiming at the battery modules 100 with different configurations, the battery modules 100 with different configurations can be distinguished according to whether the components of the bracket 4 and the electric connection plate 5 are assembled on the battery modules 100 and the number of the second conductive parts 52 on the electric connection plate 5, so that foolproof of the battery modules 100 with different configurations is realized, the problem that the appearance of the battery is consistent and the mixing of different configurations of a production line is easy to cause is avoided, meanwhile, the fault tolerance is increased, and the battery modules 100 can be repaired.

The electric connection plate 5 can be detachably arranged on the frame body 1 through the bracket 4, the electric connection plate 5 can be selectively assembled according to different configuration requirements, and if a new function is required to be added to the battery module 100, the electric connection plate 5 is assembled on the frame body 1 without replacing the battery connector 7 and re-opening the die of the frame body 1; if not, the electric connection plate 5 is not assembled, so that the battery module 100 can rapidly carry out configuration difference coping according to different model configurations, can also rapidly switch functions in face of newly increased demands of customers, can realize foolproof by whether the electric connection plate 5 is assembled, can prevent the problem of mixing materials in different configurations of the production line, and can also increase the fault tolerance rate, and the battery module 100 can be reworked.

As described above, the bracket 4 is detachably mounted on the frame body 1 by the bracket mounting structure 11, and the bracket mounting structure 11 may be provided in various manners, for example, the bracket mounting structure 11 may be provided as a snap connection structure or a screw connection structure, or the like. Alternatively, referring to fig. 1, 2 and 7, in the present embodiment, the bracket mounting structure 11 includes a limiting groove 111, and the bracket 4 is accommodated and limited in the limiting groove 111.

Specifically, the frame 1 is provided with the stopper groove 111, which not only can play a role in positioning and attaching the bracket 4 to the frame 1, but also can play a role in stopping the bracket 4 by the inner wall of the stopper groove 111.

The shape of the limiting groove 111 is generally adapted to the shape of the support 4, so that the limiting groove 111 has better positioning and limiting effects on the support 4, for example, refer to fig. 2, 6 and 7, and in this embodiment, both the limiting groove 111 and the support 4 are in a T-shape.

The limiting groove 111 is generally disposed on the outer surface of the frame body 1, so as to facilitate exposing the second conductive portion 52 on the electrical connection board 5, thereby facilitating electrical connection between the second conductive portion 52 and the motherboard. Alternatively, referring to fig. 2, 7 and 8, in the present embodiment, the limit groove 111 is disposed on the outer peripheral side surface of the frame 1.

Specifically, the limiting groove 111 is disposed close to the protection board 3, so that the assembly of the bracket 4 and the electric connection board 5 can be close to the protection board 3, and the electric connection board 5 and the protection board 3 can be electrically connected. The limit groove 111 may be disposed on the upper surface, the front surface, or the rear surface of the upper frame 12.

The outer peripheral side surface of the frame body 1 includes the upper surface of the upper frame side 12, and description will be given below taking an example in which the limit groove 111 is provided on the upper surface of the upper frame side 12, the notch of the limit groove 111 is located on the upper surface of the upper frame side 12, and the notch of the limit groove 111 is provided upward.

Alternatively, referring to fig. 2, 6 and 7, in the present embodiment, a limiting surface 112 is disposed on an inner groove side wall of the limiting groove 111, the limiting surface 112 faces the notch of the limiting groove 111, a limiting protrusion 41 is disposed on a peripheral side surface of the bracket 4, and the limiting protrusion 41 abuts against one side of the limiting surface 112 near the notch of the limiting groove 111.

Specifically, an upward limiting surface 112 is disposed on the inner groove side wall of the limiting groove 111, a limiting protrusion 41 is disposed on the circumferential side surface of the bracket 4 in a protruding manner corresponding to the limiting surface 112, the limiting protrusion 41 is located on the upper side of the limiting surface 112, and the limiting protrusion 41 is abutted to the limiting surface 112, so that the bracket 4 can be installed and positioned in the groove depth direction (i.e., up-down direction) of the limiting groove 111 through the arrangement of the limiting protrusion 41 and the limiting surface 112.

Further, referring to fig. 2, 6 and 7, in the present embodiment, the left groove side wall and the right groove side wall of the limiting groove 111 are provided with limiting surfaces 112, and correspondingly, the left side surface and the right side surface of the bracket 4 are provided with limiting protrusions 41.

Alternatively, referring to fig. 3, 4 and 7, in the present embodiment, a mounting hole 114 is penetratingly provided on a groove sidewall of the limiting groove 111, a screw member 6 is mounted at the mounting hole 114, and a tail portion of the screw member 6 extends into the limiting groove 111 from the mounting hole 114 and is in threaded connection with the bracket 4.

Specifically, the bracket 4 is provided with screw holes 44 corresponding to the mounting holes 114 in the frame 1, and the bracket 4 is detachably mounted to the frame 1 by the screw 6. The screw 6 may be a screw, and the screw 6 may be mounted on the housing 1 from front to back or from back to front, and the screw 6 will be described below by taking the case that the screw 6 is mounted on the housing 1 from back to front.

The rear surface of the upper frame side 12 is provided with a mounting hole 114, the mounting hole 114 penetrates through the rear groove side wall of the limit groove 111 from front to back, the rear surface of the bracket 4 is provided with a threaded hole 44 corresponding to the mounting hole 114, and the tail part of the screw joint 6 can extend into the limit groove 111 from the rear to front from the mounting hole 114 and be screwed into the threaded hole 44, so that the bracket 4 is fixedly mounted on the frame body 1.

Alternatively, referring to fig. 2, 7 and 8, in the present embodiment, an opening 115 is penetratingly provided on a side wall of the limiting groove 111 away from the mounting hole 114.

Specifically, an opening 115 is provided in the front surface of the upper frame 12, and the opening 115 penetrates the front groove side wall of the limit groove 111. The shape of the opening 115 is generally adapted to the shape of the support 4 so that the support 4 can be received in the retaining groove 111 from the opening 115. The bracket 4 is locked to the frame body 1 by three sides of a screw-connection piece 6 and a limit groove 111.

The electric connection board 5 is electrically connected to the protection board 3 through the first conductive portion 51, and the specific location of the first conductive portion 51 on the electric connection board 5 may be determined according to practical situations, alternatively, referring to fig. 2, 5 and 7, in this embodiment, the electric connection board 5 includes a first plate portion 53, the first plate portion 53 is located between the support 4 and the bottom wall of the limiting groove 111, and the first conductive portion 51 is disposed on a board surface of the first plate portion 53 away from the support 4.

Specifically, the electric connection plate 5 and the protection plate 3 are respectively located at the upper side and the lower side of the upper frame edge 12, the first plate portion 53 of the electric connection plate 5 is located between the bracket 4 and the bottom wall of the limit groove 111, the upper plate surface of the first plate portion 53 is connected to the lower surface of the bracket 4, and the first conductive portion 51 is disposed on the lower plate surface of the first plate portion 53, so that the first conductive portion 51 can be as close to the protection plate 3 as possible, thereby facilitating the electric connection of the first conductive portion 51 and the protection plate 3.

Alternatively, referring to fig. 2, 4 and 7, in this embodiment, an avoidance hole 113 is provided on the bottom wall of the limiting slot 111, and the avoidance hole 113 penetrates through the inner peripheral side surface of the frame body 1; the protection plate 3 is mounted on the inner peripheral side surface of the frame body 1, and an elastic piece 31 is provided on the plate surface of the protection plate 3 facing the escape hole 113, and the elastic piece 31 is in conductive contact with the first conductive portion 51.

Specifically, the inner peripheral side surface of the housing 1 includes the lower surface of the upper frame 12, and the lower surface of the upper frame 12 is provided with a relief hole 113 corresponding to the first conductive portion 51, and the relief hole 113 vertically penetrates the bottom wall of the limit groove 111. The protection board 3 is mounted on the lower surface of the upper frame edge 12, and an elastic sheet 31 is arranged on the upper plate surface of the protection board 3 corresponding to the first conductive portion 51, and the elastic sheet 31 extends into the limit groove 111 from the avoidance hole 113 and is in conductive contact with the first conductive portion 51 so as to electrically connect the electric connection board 5 with the protection board 3.

The number of the elastic pieces 31, the first conductive portions 51, and the second conductive portions 52 is generally equal, and according to the actual model arrangement, it is possible to select whether the elastic pieces 31 are not provided on the protection plate 3 or at least one elastic piece 31 is provided. For example, referring to fig. 2, 5 and 7, in the present embodiment, two elastic sheets 31, two first conductive portions 51 and two second conductive portions 52 are provided.

The electric connection board 5 is electrically connected to the main board through the second conductive portion 52, the electric connection board 5 and the main board may also be connected by using a spring, and the specific setting position of the second conductive portion 52 on the electric connection board 5 may be determined according to the actual situation, optionally, referring to fig. 2, 4 and 5, in this embodiment, the electric connection board 5 includes a second board portion 54, the second board portion 54 is located on one side of the support 4 near the opening 115, and the second conductive portion 52 is disposed on the board surface of the second board portion 54 near the opening 115.

Specifically, the second plate portion 54 of the electrical connection board 5 is located at the front side of the bracket 4, the rear plate surface of the second plate portion 54 is connected to the front surface of the bracket 4, and the second conductive portion 52 is disposed on the front plate surface of the second plate portion 54, so that the second conductive portion 52 can be exposed from the opening 115, thereby facilitating the electrical connection of the second conductive portion 52 with the motherboard.

The electrical connection plate 5 comprises a first plate portion 53 and a second plate portion 54, the first plate portion 53 being perpendicular or approximately perpendicular to the second plate portion 54, such that the electrical connection plate 5 is overall arranged in an L-shape.

Alternatively, referring to fig. 2 and 5, in the present embodiment, the electrical connection board 5 is a flexible circuit board (Flexible Printed Circuit, abbreviated as FPC), so that the electrical connection board 5 is easily bent.

The electrical connection board 5 is mounted on the support 4, and the specific mounting manner of the electrical connection board 5 on the support 4 is not particularly limited, and for example, the electrical connection board 5 may be adhered to the support 4. Alternatively, referring to fig. 2 and 5, in the present embodiment, the electrical connection board 5 is adhered to the bracket 4 by a double sided tape (not shown in the drawings).

Alternatively, referring to fig. 5 and 6, in the present embodiment, a receiving groove 43 is provided on the bracket 4, and the electrical connection board 5 is accommodated and limited in the receiving groove 43.

Specifically, the shape of the accommodating groove 43 is generally adapted to the shape of the electrical connection board 5, and by providing the accommodating groove 43, the electrical connection board 5 can be mounted and positioned on the bracket 4.

Alternatively, referring to fig. 5 and 6, in the present embodiment, the electrical connection board 5 is provided with a positioning hole 55, and the bracket 4 is provided with a positioning post 42 that is in positioning fit with the positioning hole 55.

Specifically, the positioning holes 55 and the positioning posts 42 are provided, so that the electric connection plate 5 can be mounted and positioned on the bracket 4. The specific number of the positioning holes 55 and the positioning columns 42 may be set according to practical situations, for example, referring to fig. 5 and 6, in this embodiment, two positioning holes 55 and two positioning columns 42 are disposed in a one-to-one correspondence.

Similarly, the specific arrangement positions of the positioning hole 55 and the positioning post 42 may be set according to the actual situation, alternatively, referring to fig. 5 and 6, in the present embodiment, the positioning post 42 is disposed on the front surface of the bracket 4, and the positioning hole 55 is disposed on the second plate 54.

The utility model also provides electronic equipment which can be a mobile phone or a tablet personal computer and the like, and the electronic equipment comprises a battery module.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (10)

1. The battery module is characterized by comprising a frame body, a battery main body and a protection plate;

The battery main body and the protection plate are both arranged on the frame body, and the battery main body is electrically connected with the protection plate;

The frame body is provided with a support mounting structure, the support mounting structure is used for detachably mounting a support on the frame body, an electric connection plate is mounted on the support, and the electric connection plate is provided with a first conductive part electrically connected with the protection plate and a second conductive part electrically connected with the main board.

2. The battery module of claim 1, wherein the bracket mounting structure includes a limit slot, the bracket receiving limit being located in the limit slot.

3. The battery module according to claim 2, wherein a limiting surface is arranged on the side wall of the inner groove of the limiting groove, the limiting surface faces the notch of the limiting groove, a limiting protrusion is arranged on the peripheral side surface of the bracket, and the limiting protrusion is abutted to one side, close to the notch of the limiting groove, of the limiting surface; and/or the number of the groups of groups,

The shape of the limit groove is matched with the shape of the bracket; and/or the number of the groups of groups,

The limit groove is arranged on the outer circumferential side surface of the frame body.

4. The battery module of claim 2, wherein the electrical connection plate includes a first plate portion located between the bracket and a bottom wall of the limit groove, and the first conductive portion is disposed on a plate surface of the first plate portion remote from the bracket.

5. The battery module according to claim 4, wherein the groove bottom wall of the limit groove is provided with an avoidance hole, and the avoidance hole penetrates through the inner peripheral side surface of the frame body; the protection board is installed on the inner periphery side of framework, the protection board is provided with the shell fragment towards on dodging the face in hole, the shell fragment with first conductive part conductive contact.

6. The battery module according to claim 2, wherein a mounting hole is penetratingly provided in a side wall of the limiting groove, a screw member is mounted at the mounting hole, and a tail of the screw member extends into the limiting groove from the mounting hole and is screw-coupled with the bracket.

7. The battery module of claim 6, wherein the limiting groove is provided with an opening penetrating through a groove side wall of the limiting groove away from the mounting hole.

8. The battery module of claim 7, wherein the electrical connection plate includes a second plate portion located on a side of the bracket adjacent to the opening, and the second conductive portion is disposed on a plate surface of the second plate portion adjacent to the opening.

9. The battery module according to any one of claims 1 to 8, wherein a positioning hole is provided on the electric connection plate, and a positioning post that is in positioning fit with the positioning hole is provided on the bracket; and/or the number of the groups of groups,

The bracket is provided with an accommodating groove, and the electric connection plate is accommodated and limited in the accommodating groove; and/or the electric connection plate is adhered to the bracket; and/or the number of the groups of groups,

The electric connection plate is a flexible circuit board.

10. An electronic device comprising the battery module according to any one of claims 1 to 9.